package cn.edu.ctbu.demo1.aop;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Aspect;
import lombok.extern.slf4j.Slf4j;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.stereotype.Component;
import org.aspectj.lang.annotation.After;
import org.springframework.util.StopWatch;

@Component
@Aspect
@Slf4j


public class HttpAspect {
    @Pointcut("execution(* cn.edu.ctbu.demo1.api.StudentApiController.*(..))")
    public void log() {

    }

    @Before("log()")
    public void doBefore() {
        log.info("准备开始执行api...");
    }



    @After("log()")
    public void doAfter() {
        log.info("执行api完，准备返回...");
    }

    @AfterReturning(returning = "object",pointcut = "log()")
    public void AfterR(Object object) {
        log.info("response={}",object);
    }

    @Around("log()")
    public Object around(ProceedingJoinPoint pjp) throws Throwable {
        StopWatch stopWatch = new StopWatch();
        stopWatch.start();
        Object obj = pjp.proceed(pjp.getArgs());
        stopWatch.stop();
        long cost = stopWatch.getTotalTimeMillis();
        MethodSignature signature = (MethodSignature) pjp.getSignature();
        String methodName = signature.getDeclaringTypeName() + "." + signature.getName();
        log.info("----------- 执行" + methodName + "方法, 用时: " + cost + "ms -----------");
        return obj;
    }

}